meshtastic-firmware/variants/heltec_wireless_bridge/variant.h


// updated variant 20250420 berlincount, tested with HTIT-TB
//
// connections in HTIT-WB
// per https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf
// md5: a0e6ae10ff76611aa61433366b2e4f5c  esp32_datasheet_en.pdf
// per https://resource.heltec.cn/download/Wireless_Bridge/Schematic_Diagram_HTIT-WB_V0.2.pdf
// md5: d5c1b0219ece347dd8cee866d7d3ab0a  Schematic_Diagram_HTIT-WB_V0.2.pdf

#define NO_EXT_GPIO 1
#define NO_GPS 1

#define HAS_GPS 0 // GPS is not equipped
#undef GPS_RX_PIN
#undef GPS_TX_PIN

// Green / Lora = PIN 22 / GPIO2, Yellow / Wifi = PIN 23 / GPIO0, Blue / BLE = PIN 25 / GPIO16
#define LED_PIN 22
#define WIFI_LED 23
#define BLE_LED 25

// ESP32-D0WDQ6 direct pins SX1276
#define USE_RF95
#define LORA_DIO0 26
#define LORA_DIO1 35
#define LORA_DIO2 34
#define LORA_SCK 05
#define LORA_MISO 19
#define LORA_MOSI 27
#define LORA_CS 18

// several things are not possible with JTAG enabled
#ifndef USE_JTAG
#define LORA_RESET 14 // LoRa Reset shares a pin with MTMS
#define I2C_SDA 4     // SD_DATA1 going to W25Q64, but
#define I2C_SCL 15    // SD_CMD shared a pin with MTD0
#endif

// user button is present on device, but currently untested & unconfigured - couldn't figure out how it's connected

// battery support is present within device, but currently untested & unconfigured - couldn't find reliable information yet
Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00
			`// updated variant 20250420 berlincount, tested with HTIT-TB`
			`//`
			`// connections in HTIT-WB`
			`// per https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf`
			`// md5: a0e6ae10ff76611aa61433366b2e4f5c esp32_datasheet_en.pdf`
			`// per https://resource.heltec.cn/download/Wireless_Bridge/Schematic_Diagram_HTIT-WB_V0.2.pdf`
			`// md5: d5c1b0219ece347dd8cee866d7d3ab0a Schematic_Diagram_HTIT-WB_V0.2.pdf`

			`#define NO_EXT_GPIO 1`
			`#define NO_GPS 1`

			`#define HAS_GPS 0 // GPS is not equipped`
heltec-wireless-bridge requires Proto PR first 2024-09-21 10:42:51 +00:00			`#undef GPS_RX_PIN`
			`#undef GPS_TX_PIN`

Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00			`// Green / Lora = PIN 22 / GPIO2, Yellow / Wifi = PIN 23 / GPIO0, Blue / BLE = PIN 25 / GPIO16`
			`#define LED_PIN 22`
			`#define WIFI_LED 23`
			`#define BLE_LED 25`
heltec-wireless-bridge requires Proto PR first 2024-09-21 10:42:51 +00:00
Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00			`// ESP32-D0WDQ6 direct pins SX1276`
heltec-wireless-bridge requires Proto PR first 2024-09-21 10:42:51 +00:00			`#define USE_RF95`
Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00			`#define LORA_DIO0 26`
			`#define LORA_DIO1 35`
			`#define LORA_DIO2 34`
			`#define LORA_SCK 05`
			`#define LORA_MISO 19`
			`#define LORA_MOSI 27`
			`#define LORA_CS 18`

			`// several things are not possible with JTAG enabled`
heltec-wireless-bridge requires Proto PR first 2024-09-21 10:42:51 +00:00			`#ifndef USE_JTAG`
Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00			`#define LORA_RESET 14 // LoRa Reset shares a pin with MTMS`
			`#define I2C_SDA 4 // SD_DATA1 going to W25Q64, but`
			`#define I2C_SCL 15 // SD_CMD shared a pin with MTD0`
heltec-wireless-bridge requires Proto PR first 2024-09-21 10:42:51 +00:00			`#endif`

Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00			`// user button is present on device, but currently untested & unconfigured - couldn't figure out how it's connected`
heltec-wireless-bridge requires Proto PR first 2024-09-21 10:42:51 +00:00
Improve support for Heltec Wireless Bridge (#6647) * Use BLE_LED where present for CONNECTED/DISCONNECTED * Use WIFI_LED where present for WiFi started/stopped (as AP) or connected/disconnected (as Station) * improve support for Heltec Wireless Bridge * satisfy 'trunk fmt' 2025-06-10 03:54:07 +00:00			`// battery support is present within device, but currently untested & unconfigured - couldn't find reliable information yet`